3min chapter

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

AMA | October 2022

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

Why Is the Electron Charge Quantized?

The question of why the electron has a negative charge that exactly matches the positive charge on a proton is still a mystery. There are anomalies in gauge symmetries of particle physics that seem to give you relationships between the charges of different particles. That is something that we don't have the once and for all final answer for.

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